Mind42 : Collaborative mind mapping in your browser
Mockingbird : Mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application.
Favicon Generator : Upload an image (GIF, JPEG or PNG) and convert it to a Windows favicon (.ico)
Browsershots : Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web application providi...